:root {
            --bg: #060913;
            --panel: rgba(255, 255, 255, .07);
            --line: rgba(255, 255, 255, .13);
            --text: #f7f9ff;
            --muted: #aab5cf;
            --red: #ff304f;
            --blue: #4da3ff;
            --gold: #ffbf3f;
            --green: #38d39f;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: 'Instrument Sans', ui-sans-serif, system-ui, sans-serif;
            color: var(--text);
            background:
                radial-gradient(circle at 12% 8%, rgba(255, 48, 79, .2), transparent 28rem),
                radial-gradient(circle at 86% 10%, rgba(77, 163, 255, .24), transparent 30rem),
                linear-gradient(180deg, #060913 0%, #0b1022 52%, #060913 100%);
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        .wrap {
            width: min(1160px, calc(100% - 40px));
            margin: 0 auto;
        }

        .header {
            position: sticky;
            top: 0;
            z-index: 20;
            background: rgba(6, 9, 19, .82);
            border-bottom: 1px solid var(--line);
            backdrop-filter: blur(18px);
        }

        .nav {
            min-height: 84px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .brand img {
            width: 58px;
            height: 58px;
            object-fit: contain;
            border-radius: 50%;
            background: #fff;
            padding: 2px;
            box-shadow: 0 14px 34px rgba(255, 48, 79, .26);
        }

        .brand strong {
            display: block;
            font-size: 1.18rem;
        }

        .brand span {
            display: block;
            margin-top: 4px;
            color: var(--muted);
            font-size: .82rem;
            font-weight: 700;
        }

        .menu {
            display: flex;
            align-items: center;
            gap: 24px;
            color: #c7d1e7;
            font-weight: 800;
        }

        .menu a:hover {
            color: #fff;
        }

        .btn {
            min-height: 48px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0 22px;
            border-radius: 8px;
            border: 1px solid transparent;
            font-weight: 900;
            white-space: nowrap;
            transition: transform .2s ease, box-shadow .2s ease;
        }

        .btn:hover {
            transform: translateY(-2px);
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--red), #c9152d);
            color: #fff;
            box-shadow: 0 16px 34px rgba(255, 48, 79, .26);
        }

        .btn-light {
            background: rgba(255, 255, 255, .08);
            color: #fff;
            border-color: rgba(255, 255, 255, .18);
        }

        .hero {
            position: relative;
            min-height: calc(100vh - 84px);
            display: grid;
            align-items: center;
            padding: 78px 0 92px;
            overflow: hidden;
        }

        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
            background-size: 58px 58px;
            mask-image: linear-gradient(to bottom, black, transparent 80%);
        }

        .hero-grid {
            position: relative;
            display: grid;
            grid-template-columns: minmax(0, 1fr) minmax(360px, .86fr);
            gap: 56px;
            align-items: center;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--gold);
            font-size: .8rem;
            font-weight: 900;
            letter-spacing: .12em;
            text-transform: uppercase;
        }

        .eyebrow::before {
            content: "";
            width: 32px;
            height: 3px;
            border-radius: 99px;
            background: var(--gold);
        }

        h1 {
            margin: 16px 0 22px;
            font-size: clamp(2.7rem, 6vw, 5.25rem);
            line-height: .98;
            letter-spacing: 0;
        }

        h2 {
            margin: 10px 0 0;
            font-size: clamp(2rem, 4vw, 3.2rem);
            line-height: 1.05;
        }

        h3,
        p {
            margin-top: 0;
        }

        .accent {
            color: var(--red);
        }

        .hero-copy {
            max-width: 670px;
            color: #c7d1e7;
            font-size: 1.08rem;
            line-height: 1.8;
            margin-bottom: 30px;
        }

        .actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .visual {
            position: relative;
            min-height: 500px;
        }

        .learning-card {
            position: absolute;
            inset: 20px 0 auto 34px;
            min-height: 380px;
            border-radius: 30px;
            padding: 28px;
            background:
                linear-gradient(135deg, rgba(255, 255, 255, .1), rgba(255, 255, 255, .04)),
                url('../images/academy_hero.png') center / cover;
            border: 1px solid var(--line);
            box-shadow: 0 28px 80px rgba(0, 0, 0, .42);
            overflow: hidden;
        }

        .learning-card::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(6, 9, 19, .12), rgba(255, 48, 79, .3));
        }

        .floating-logo,
        .class-card {
            position: absolute;
            z-index: 3;
            border-radius: 24px;
            background: rgba(12, 16, 32, .82);
            border: 1px solid var(--line);
            box-shadow: 0 24px 70px rgba(0, 0, 0, .38);
            backdrop-filter: blur(18px);
        }

        .floating-logo {
            left: 0;
            top: 0;
            width: 128px;
            height: 128px;
            display: grid;
            place-items: center;
        }

        .floating-logo img {
            width: 90px;
            height: 90px;
            object-fit: contain;
            border-radius: 50%;
            background: #fff;
        }

        .class-card {
            right: 0;
            bottom: 30px;
            width: 290px;
            padding: 22px;
        }

        .class-card strong {
            display: block;
            margin-bottom: 10px;
            font-size: 1.12rem;
        }

        .class-card span {
            color: var(--muted);
            line-height: 1.6;
        }

        .section {
            padding: 84px 0;
        }

        .section-soft {
            background: rgba(255, 255, 255, .035);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .section-head {
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 28px;
            margin-bottom: 34px;
        }

        .section-copy {
            max-width: 500px;
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 0;
        }

        .course-grid,
        .features-grid {
            display: grid;
            grid-template-columns: repeat(5, minmax(0, 1fr));
            gap: 18px;
        }

        .course,
        .feature,
        .info-card {
            padding: 24px;
            border-radius: 24px;
            background: var(--panel);
            border: 1px solid var(--line);
            box-shadow: 0 20px 56px rgba(0, 0, 0, .28);
        }

        .course strong,
        .feature strong,
        .info-card strong {
            display: block;
            margin-bottom: 10px;
            color: #fff;
            font-size: 1.05rem;
        }

        .course span,
        .feature span,
        .info-card span {
            color: var(--muted);
            line-height: 1.65;
        }

        .features-grid {
            grid-template-columns: repeat(3, minmax(0, 1fr));
        }

        .info-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 18px;
        }

        .cta {
            padding: 76px 0;
            background:
                radial-gradient(circle at 80% 18%, rgba(77, 163, 255, .24), transparent 24rem),
                linear-gradient(135deg, #121a39, #450815);
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
        }

        .cta h2 {
            margin: 0 0 12px;
        }

        .cta p {
            color: #c7d1e7;
            line-height: 1.75;
            margin-bottom: 0;
        }

        .footer {
            padding: 28px 0;
            color: var(--muted);
            background: #050711;
            border-top: 1px solid var(--line);
        }

        .footer-inner {
            display: flex;
            justify-content: space-between;
            gap: 20px;
        }

        @media (max-width: 980px) {
            .menu {
                display: none;
            }

            .hero-grid {
                grid-template-columns: 1fr;
            }

            .course-grid,
            .features-grid,
            .info-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .section-head,
            .cta-inner {
                align-items: flex-start;
                flex-direction: column;
            }
        }

        @media (max-width: 640px) {
            .wrap {
                width: min(100% - 24px, 1160px);
            }

            .header .btn {
                display: none;
            }

            .brand span span {
                display: none;
            }

            .hero {
                min-height: auto;
                padding: 56px 0 72px;
            }

            .visual {
                min-height: 390px;
            }

            .learning-card {
                inset: 30px 0 auto 20px;
            }

            .floating-logo {
                width: 96px;
                height: 96px;
            }

            .floating-logo img {
                width: 70px;
                height: 70px;
            }

            .class-card {
                right: 0;
                bottom: 12px;
                width: 230px;
            }

            .course-grid,
            .features-grid,
            .info-grid {
                grid-template-columns: 1fr;
            }

            .footer-inner {
                flex-direction: column;
            }
        }

/* Final responsive polish */
@media (max-width: 1100px) {
    .nav {
        min-height: auto;
        padding: 14px 0;
        flex-wrap: wrap;
    }

    .menu {
        order: 3;
        width: 100%;
        display: flex;
        justify-content: flex-start;
        gap: 18px;
        padding-top: 4px;
        overflow-x: auto;
        scrollbar-width: none;
    }

    .menu::-webkit-scrollbar {
        display: none;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .visual {
        width: min(100%, 620px);
        margin: 0 auto;
    }

    .course-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .wrap {
        width: min(100% - 24px, 1160px);
    }

    h1 {
        font-size: clamp(2.2rem, 11vw, 3.25rem);
        line-height: 1.02;
    }

    h2 {
        font-size: clamp(1.85rem, 8vw, 2.45rem);
    }

    .hero {
        min-height: auto;
        padding: 48px 0 66px;
    }

    .hero-copy,
    .section-copy,
    .cta p {
        font-size: 1rem;
        line-height: 1.7;
    }

    .actions {
        width: 100%;
        align-items: stretch;
        flex-direction: column;
    }

    .actions .btn {
        width: 100%;
    }

    .visual {
        min-height: 340px;
    }

    .learning-card {
        inset: 42px 0 auto 16px;
        min-height: 272px;
        border-radius: 22px;
    }

    .floating-logo {
        width: 84px;
        height: 84px;
        border-radius: 18px;
    }

    .floating-logo img {
        width: 62px;
        height: 62px;
    }

    .class-card {
        width: min(250px, 78vw);
        right: 0;
        bottom: 0;
        padding: 16px;
        border-radius: 18px;
    }

    .section {
        padding: 58px 0;
    }

    .section-head,
    .cta-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .course-grid,
    .features-grid,
    .info-grid {
        grid-template-columns: 1fr;
    }

    .course,
    .feature,
    .info-card {
        border-radius: 18px;
        padding: 22px;
    }

    .footer-inner {
        flex-direction: column;
    }
}

@media (max-width: 430px) {
    .brand img {
        width: 44px;
        height: 44px;
    }

    .brand strong {
        font-size: .98rem;
    }

    .brand span span {
        display: none;
    }

    .nav > .btn {
        order: 4;
        width: 100%;
        display: inline-flex;
    }

    .menu {
        gap: 14px;
        font-size: .86rem;
    }

    .visual {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 20px;
        min-height: auto;
        position: relative;
        margin-top: 30px;
    }

    .learning-card {
        position: relative !important;
        inset: 0 !important;
        width: 100% !important;
        max-width: 500px;
        height: 280px !important;
        margin: 0 auto;
    }

    .floating-logo {
        display: none !important;
    }

    .class-card {
        position: relative !important;
        inset: 0 !important;
        width: 100% !important;
        max-width: 400px;
        margin: 0 auto;
        transform: none !important;
    }
}